Codan-radio MT-4E Analog and P25 Digital - User Guide Manual de usuario Pagina 29

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 58
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 28
MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS | USER GUIDE
Chapter 4: MT-4E Radio System Block Diagrams Page 21
Figure 4-1: MT-4E Repeater Block Diagram
RECEIVER TRANSMITTER
REPEATER
CONTROLLER
SUBRACK /
MOTHERBOARD
RF IN
FM ANALOG OR
C4FM DIGITAL
RF OUT
FM ANALOG OR
C4FM DIGITAL
FRONT PANEL
RJ45 CABLE
FRONT PANEL
RJ45 CABLE
ANALOG COR
A / D
DETECT
A
D
CTCSS / DCS
DECODE
NAC / TGID
DECODE
DE-VOCODER
AUDIO
OUTPUT
(TO SYSTEM REGULATOR
SPEAKER)
LVDS
SERIAL
DATA
A / D
SELECT
A
D
CTCSS / DCS
ENCODE
NAC
ENCODE
VOCODER
SUBRACK /
MOTHERBOARD
ANALOG PTT
LVDS
SERIAL
DATA
RX TO TX
ENABLE
AUDIO
INPUT
(NOT USED)
DIGITAL COR
DIGITAL PTT
1 KHz TONE
@ 60% MAX. MOD.
= -8.0 dBm
1 KHz TONE
@ -8.0 dBm
= 60% MAX. MOD.
D / A
CONVERTER
A / D
CONVERTER
FILTER
RF PRESELECTOR
SYNTHESIZER
(LO)
IF AMP &
DEMOD
A / D
CONVERTER
RF POWER
AMPLIFIER
SYNTHESIZER
(MODULATOR)
D / A
CONVERTER
Vista de pagina 28
1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 57 58

Comentarios a estos manuales

Sin comentarios